1. Truck Bed Parts Products
  2. sku: 21042919095361881
  3. TRIPLEALINERS 3A-21TTMAT

TRIPLEALINERS 3A-21TTMAT Bed Mat Tpe Liner Char 5.5FT

fits model: Tundra. make: Toyota. year: 1977–2021.

3a-21ttmat Triplealiners Truck Bed Mat For 2007-2021 Toyota Tundra 5.5ft Tpe Liner 77 Char

( Brand: Triplealiners ), ( Manufacturer Part Number: 3A-21TTMAT ), ( Items Included: Mounting Hardware ), ( Color: Black ), ( Material: Thermoplastic Elastomer ), ( Item Length: 32.5 In ), ( Vintage Part: No ), ( Placement On Vehicle: Rear ), ( Type: Truck Mat ), ( Features: All Weather Protection ), ( Bed Length: 5.5 ), ( Item Width: 22 In ), ( Item Weight: 18.26 Lbs )

Review TRIPLEALINERS Truck Bed Mat Toyota 5.5ft Tpe Liner Char fits TUNDRA 1977–2021

The **Triple-A Liners 3A-21TTMAT Bed Mat for 2007 2021 Toyota Tundra (5.5 ft TPE Liner)** is a premium, custom-engineered solution designed to transform the cargo area of your full-size Toyota Tundra into a durable, comfortable, and versatile storage or sleeping space. Crafted from high-density **thermoplastic elastomer (TPE)**, this heavy-duty liner is engineered to withstand the rigorous demands of off-road adventures, daily commutes, and extended camping trips, ensuring long-lasting performance without compromising on functionality. The **5.5-foot length** perfectly accommodates the extended bed of the Tundra, providing ample space for gear, equipment, or even a makeshift bed for overnight stays, while the **reinforced seams and sturdy construction** prevent sagging, tearing, or deformation under heavy loads. Unlike flimsy aftermarket alternatives, this liner features a **non-slip, textured surface** that enhances grip, reducing the risk of shifting cargo or tripping hazards, whether you re hauling tools, luggage, or camping essentials. Its **water-resistant properties** offer added protection against spills, moisture, and environmental elements, keeping your belongings dry and secure, even in inclement weather. The **universal fit** ensures compatibility with all 2007 2021 Toyota Tundra models, including both crew cab and double cab variants, while the **easy installation** secured with included straps or existing tie-down points makes it a hassle-free upgrade for both DIY enthusiasts and professional installers. Whether you re a weekend warrior, a long-haul trucker, or an outdoor adventurer, this liner elevates the utility of your Tundra s bed, blending durability, convenience, and practicality into one seamless solution.

### Pros and Cons of buying a TripleA Liners 3A-21TTMAT Bed Mat for a 2007-2021 Toyota Tundra (5.5 ft TPE Liner)

#### **Pros:**

1. **Durability and Weather Resistance** TripleA liners are known for their high-quality materials, including TPE (thermoplastic elastomer), which resists punctures, tears, and UV degradation. This makes the liner suitable for outdoor use, protecting your bed from moisture, dirt, and debris.

2. **Easy Installation** The liner is designed to fit snugly into the bed cavity of the Toyota Tundra, with a secure attachment system (likely adhesive strips or clips). Many users report that it installs quickly without requiring specialized tools.

3. **Protection for Your Bed and Cargo** The liner acts as a barrier against rust, corrosion, and wear on the metal bed frame, extending the lifespan of your truck. It also keeps dirt, rocks, and other debris from damaging the bed surface.

4. **Customizable Fit** TripleA liners are engineered to match specific truck models, ensuring a tight seal and preventing shifting or sagging over time.

5. **Easy to Clean** TPE is non-porous, making it resistant to stains and mold. A simple wipe-down with soap and water keeps the liner looking new, unlike fabric or rubber alternatives that may absorb odors or mildew.

6. **Noise Reduction** The liner helps dampen road noise and rattles from loose items in the bed, contributing to a quieter cabin experience.

7. **Compatibility with Accessories** Many TripleA liners are designed to work with additional accessories like bed covers, tool organizers, or cargo nets, providing flexibility for customization.

8. **Long-Term Cost Savings** While the upfront cost may be higher than a basic liner, the durability and protection it offers can save money in the long run by preventing costly repairs to the truck bed.

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#### **Cons:**

1. **Higher Initial Cost** Compared to basic rubber or plastic liners, TripleA liners are more expensive. The quality comes at a premium, which may not be justified for those who prioritize cost over longevity.

2. **Potential Installation Challenges** While generally straightforward, improper installation (e.g., uneven sealing, gaps) can lead to leaks or premature wear. Some users may need patience or additional tools to ensure a perfect fit.

3. **Limited Color Options** TripleA liners typically come in standard colors like black or gray. If you prefer a specific hue or pattern, you may be limited to the available options.

4. **Not Fully Waterproof in All Conditions** While TPE is water-resistant, extreme water pressure (e.g., from heavy rain or flooding) could potentially seep through seams or edges if the liner is not installed perfectly.

5. **Weight** TPE liners are heavier than some alternatives (e.g., thin rubber sheets), which may slightly affect fuel efficiency or handling, though the difference is usually negligible.

6. **Potential for Adhesive Failure** If the liner relies on adhesive strips for attachment, heat or prolonged exposure to the elements could cause the adhesive to degrade over time, requiring reapplication or replacement.

7. **Not Ideal for Extreme Temperatures** While TPE is flexible in moderate temperatures, extreme cold or heat could make the material slightly stiffer or more prone to cracking if not properly cared for.

8. **Return or Replacement Risks** If the liner does not fit perfectly due to manufacturing errors or model-specific quirks, returns or replacements may be difficult, depending on the retailer s policy.

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### **Conclusion:**

The TripleA 3A-21TTMAT bed liner is a high-quality, durable solution for protecting the bed of a 2007-2021 Toyota Tundra. Its TPE material offers superior resistance to wear, moisture, and UV damage compared to cheaper alternatives, making it a worthwhile investment for those who prioritize longevity and protection. The ease of installation and compatibility with accessories further enhance its appeal.

However, the higher cost and potential installation challenges may deter budget-conscious buyers or those who prefer simpler, lower-cost options. If you frequently drive in harsh conditions, transport heavy or sharp items, or want to preserve your truck s bed, the TripleA liner is a strong recommendation. For casual users or those on a tight budget, a more affordable liner might suffice, but it may require more frequent replacements and offer less protection.

### **Recommendation:** **Buy the TripleA 3A-21TTMAT liner if:**

- You want a long-lasting, weather-resistant solution for your Tundra s bed.

- You prioritize ease of cleaning and protection against rust and corrosion.

- You are willing to invest in a premium product that will save you money in the long run.

**Consider alternatives if:**

- You are on a tight budget and can accept a shorter lifespan for the liner.

- You prefer a lighter or more flexible material (though TPE strikes a good balance).

- You are unsure about installation and may need professional help to ensure a perfect fit.

For most Toyota Tundra owners who want a reliable, high-performance bed liner, the TripleA 3A-21TTMAT is an excellent choice. Just ensure you follow the installation instructions carefully to maximize its effectiveness.

Details:

3D laser scan technology ensures highly precise measurements of the specific contour, providing full coverage. TripleAliners Truck Mat Compatible with 2007 2021 Toyota Tundra 5.5FT Accessories, Bed Heavy Duty Custom Fit All Weather Protection TPE Pickup Liner: Perfect Fitment: truck bed mat custom-fit for your. The lip tapers at the rear to help liquids flow out tailgate. 3D anti-slip surface ensures the mat stays in place, and prevents items from sliding around.

Manufacturer TripleAliners. Citigroup Material: Our truck bed mat is crafted with TripleAliners Patent Pending Material, which has a 25% increase in wear resistance and it tested proved that could better prevent items from sliding on the compared regular material same production way. Easy to Install And Remove: Simply place the mat in position. NOTE: The mat is folded in the package.

Function Why Us: Full protection with reinforced edge walls to block water and dirt.

part #: 3a21ttmat prices

  • $77.61-$179.99

specifications otruckbedaccessories:

  • for models: Tundra
  • for makes: Toyota
  • for years: 1977-2021
  • brand: Triplealiners
  • mpn: 3a-21ttmat
  • items included: Mounting Hardware
  • color: Black
  • material: Thermoplastic Elastomer
  • item length: 32.5 In
  • vintage part: No
  • placement on vehicle: Rear
  • type: Truck Mat
  • features: All Weather Protection
  • bed length: 5.5
  • item width: 22 In
  • item weight: 18.26 Lbs

shipping otruckbedaccessories:

  • type: Calculated
  • transit: 5-10 Days
  • class: Standard, Economy
  • carrier: USPS, UPS, FedEx
  • cost: $48.65
  • service: USPS Ground Advantage, UPS Ground Saver, FedEx Ground Economy

payments otruckbedaccessories:

  • other
  • credit card: Mastercard
  • wallet: Paypal

returns otruckbedaccessories:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted

offer otruckbedaccessories:

  • availability: In Stock
  • options: Ship-to-home
  • quantity: 1
  • started: March 15, 2026
  • sold: 0

seller otruckbedaccessories:

  • rating: 99.6%
  • city: Las Vegas, Nevada
  • # reviews: 3588

general otruckbedaccessories:

  • condition: New other see details
  • Exterior Parts Accessories > Truck Beds Parts > Truck Bed Accessories
for models: tundra, for makes: toyota, for years: 1977-2021, items included: mounting hardware, item length: 32.5 in, vintage part: no, placement on vehicle: rear, type: truck mat, features: all weather protection, bed length: 5.5, item width: 22 in, item weight: 18.26 lbs,
category: auto parts > exterior parts accessories > truck beds parts > truck bed accessories, color: black, material: thermoplastic elastomer, sku: 21042919095361881,
Triplealiners 3A-21TTMAT Is Similar To:
otruckbedaccessories logo
2 offers $77.61–$179.99 USD
  • New other (see details). Offer #1 priced at $77.61 + $51.75 shipping estimate = $129.36* total. Manufacturer TripleAliners TripleAliners Truck Mat Compatible with 2007-2021 Toyota Tundra 5.5FT Accessories, Truck Bed Mat Heavy Duty Custom Fit All Weather Protection TPE Pickup Liner.+$51.75 shipping
  • New. Offer #2 priced at $179.99 + $0.00 shipping estimate = $179.99* total. Easy to Install And Remove: Simply place the mat in position.FREE SHIPPING

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